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You searched for: mediatype:texts AND collection:NISTTechNotes AND subject:"Photometry."
[texts]Absolute photometry of the light of the night sky; the zenith intensity of Haleakala (latitude N 20.7 p0s) and at Fritz Peak (latitude N 39.9 p0s) (Volume NBS Technical Note 214) - Roach, F. E. (Franklin Evans), 1900-; Smith, L.L.
A study is presented of one year of systematic zenith observations made with similar photometers at two observing stations:Haleakala (latitude N 20.7 degrees) and Fritz Peak (latitude N 39.9 degrees).It is shown that, for an effec * tive wavelength of 530
Keywords: Photometry
Downloads: 80
[texts]Photometry of projectors at the National Bureau of Standards (Volume NBS Technical Note 198) - Chernoff, L.

Keywords: Photometry; Projectors
Downloads: 62
[texts]Spectroradiometry and conventional photometry; an interlaboratory comparison (Volume NBS Technical Note 559) - McSparron, Donald A.; Mohan, K.; Raybold, R. C.; Saunders, R. D.; Zalewski, E. F.

Keywords: Radiation; Photometry
Downloads: 108
[texts]Photometry and colorimetry of retroreflection : state-of-measurement-accuracy report (Volume NBS Technical Note 1125) - Eckerle, Kenneth L.

Keywords: Photometry; Colorimetry; Reflection (Optics)
Downloads: 57
[texts]A national measurement system for radiometry, photometry, and pyrometry based upon absolute detectors (Volume NIST Technical Note 1421) - Parr, A. C. (Albert C.)

Keywords: Radiometers; Photometry--Technique; Pyrometry--Technique; Optoelectronic devices; Physical measurements--United States
Downloads: 46
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